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Difficulty: MediumPhysiological Adaptation

A nurse is continuously monitoring a client who was admitted with severe hematemesis due to a suspected bleeding peptic ulcer. Which of the following assessment findings should indicate to the nurse that the client is developing early compensatory hypovolemic shock? Select all that apply.

  1. Blood pressure changing from 130/80 mm Hg to 114/86 mm HgAnswer
  2. Heart rate increasing from 84 to 118 beats per minuteAnswer
  3. Development of new-onset restlessness and apprehensionAnswer
  4. D
    Peripheral pulses remaining bounding and full
  5. E
    Skin on the extremities appearing warm and flushed

Answer

The findings indicating early compensatory hypovolemic shock are a narrowing pulse pressure (blood pressure changing from 130/80 to 114/86 mm Hg), tachycardia (heart rate increasing to 118 beats per minute), and new-onset restlessness.
In the early (compensatory) stage of hypovolemic shock, the sympathetic nervous system activates to maintain cardiac output and vital organ perfusion. This compensatory response leads to a narrowing pulse pressure (due to vasoconstriction raising diastolic pressure while systolic pressure drops slightly or remains stable), tachycardia, and early neurological changes such as restlessness and apprehension due to subtle decreases in cerebral oxygenation.

Step-by-Step Solution

1
Identify the client's primary physiological risk.
The client has severe hematemesis, placing them at high risk for acute blood loss and subsequent hypovolemic shock.
Understanding the underlying etiology (fluid/blood loss) directs the nurse to anticipate specific compensatory mechanisms rather than distributive or cardiogenic failure.
2
Evaluate the provided vital sign trends for evidence of sympathetic nervous system compensation.
The heart rate increases (tachycardia) and the pulse pressure narrows (diastolic rises relative to systolic) as the body vasoconstricts to maintain cardiac output.
These are classic, measurable early indicators of shock that appear well before profound hypotension (a late sign) occurs.
3
Assess for early signs of altered tissue perfusion in highly oxygen-sensitive organs.
The brain's high oxygen demand makes neurological changes, such as restlessness and anxiety, some of the earliest clinical signs of impending shock.
Neurological changes often precede a significant drop in systolic blood pressure.
4
Differentiate hypovolemic signs from other clinical conditions or shock types.
Warm skin and bounding pulses are eliminated, as they represent vasodilation (seen in early sepsis), whereas hypovolemia triggers profound vasoconstriction (resulting in cool skin and thready pulses).
Accurate differentiation ensures that the nurse does not misinterpret compensatory vasoconstriction.

Key Concept

Compensatory Mechanisms in Early Hypovolemic Shock
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Topics

Physiological Adaptation

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